Sunspot region AR11576
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/09/20 | 4 | 50 | DSO | S22E62 | |
| 2012/09/21 | 3 | 70 | DSO | S21E52 | |
| 2012/09/22 | 2 | 50 | DSO | S21E43 | |
| 2012/09/23 | 2 | 50 | DAO | S21E30 | |
| 2012/09/24 | 2 | 50 | DSO | S22E17 | |
| 2012/09/25 | 2 | 40 | DSO | S21E04 | |
| 2012/09/26 | 3 | 30 | CRO | S21W09 | |
| 2012/09/27 | 2 | 10 | BXO | S20W21 | |
| 2012/09/28 | 1 | 5 | AXX | S20W35 | |
| 2012/09/29 | 1 | 0 | AXX | S21W47 |
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 11576
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.75 | 2012/09/19 | 15:04 | 15:12 | 15:21 | |
| 2 | C1.84 | 2012/09/19 | 16:37 | 16:42 | 16:52 | |
| 3 | C1.25 | 2012/09/28 | 21:15 | 21:18 | 21:20 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Unexplained proton activity 107Ask your obscure/"stupid" space weather questions. 492AR4366 1016AR4374 13Feb 8-9 CMEs 25
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 132.1 +19.5 |
| Last 30 days | 128.6 +27.4 |